Applied Microbiology and Biotechnology

, Volume 43, Issue 3, pp 545–550 | Cite as

Glyphosate-degrading isolates from environmental samples: occurrence and pathways of degradation

  • R. E. Dick
  • J. P. Quinn
Environmental Biotechnology Original Paper


The metabolism of the organophosphonate herbicide glyphosate was investigated in 163 environmental bacterial strains, obtained by a variety of isolation strategies from sites with or without prior exposure to the compound. Isolates able to use glyphosate as sole phosphorus source were more common at a treated site, but much less abundant than those capable of using the glyphosate metabolite aminomethyl-phosphonic acid (AMPA). Nevertheless, all 26 strains found to metabolise the herbicide did so via an initial cleavage of its carbon-phosphorus bond so via an initial cosine; no evidence for its metabolism or co-metabolism to AMPA was obtained.


Phosphorus Bacterial Strain Environmental Sample Glyphosate Prior Exposure 
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Copyright information

© Springer-Verlag 1995

Authors and Affiliations

  • R. E. Dick
    • 1
  • J. P. Quinn
    • 1
  1. 1.Division of Molecular Biology, School of Biology and BiochemistryThe Queen's University of BelfastBelfastN. Ireland

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